<div class="work-flow-container">
    <div class="timeline">
        <nz-timeline>
            <nz-timeline-item *ngFor="let node of workflow.flowNodes" nzColor="green" [nzDot]="timelineDotRef">
                {{node.name}}
            </nz-timeline-item>
        </nz-timeline>
    </div>
    <div class="page-wrapper">
        <ng-container #pageViewContainerRef></ng-container>
    </div>
</div>
<ng-template #timelineDotRef>
    <div class="timeline-dot"></div>
</ng-template>